{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:UPFYC4ELQ3NTXEYJMSMLU7JTKS","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"23e04c0ee0afcd29c97e86c90d1b13810ffc7afb510897e3443e5509a33252d5","cross_cats_sorted":["cs.SI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-04-23T14:45:31Z","title_canon_sha256":"70b616b097432ec52b231dbcdfa75401932d076bca17ff79d87d2aded4ad5b63"},"schema_version":"1.0","source":{"id":"2104.11639","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.11639","created_at":"2026-07-05T02:36:50Z"},{"alias_kind":"arxiv_version","alias_value":"2104.11639v2","created_at":"2026-07-05T02:36:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.11639","created_at":"2026-07-05T02:36:50Z"},{"alias_kind":"pith_short_12","alias_value":"UPFYC4ELQ3NT","created_at":"2026-07-05T02:36:50Z"},{"alias_kind":"pith_short_16","alias_value":"UPFYC4ELQ3NTXEYJ","created_at":"2026-07-05T02:36:50Z"},{"alias_kind":"pith_short_8","alias_value":"UPFYC4EL","created_at":"2026-07-05T02:36:50Z"}],"graph_snapshots":[{"event_id":"sha256:a84640b261504afdcd251154ffaff7cffad302fa8f85e32b27cb6f4785f05b7c","target":"graph","created_at":"2026-07-05T02:36:50Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2104.11639/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Social media contains unfiltered and unique information, which is potentially of great value, but, in the case of misinformation, can also do great harm. With regards to biomedical topics, false information can be particularly dangerous. Methods of automatic fact-checking and fake news detection address this problem, but have not been applied to the biomedical domain in social media yet. We aim to fill this research gap and annotate a corpus of 1200 tweets for implicit and explicit biomedical claims (the latter also with span annotations for the claim phrase). With this corpus, which we sample","authors_text":"Amelie W\\\"uhrl, Roman Klinger","cross_cats":["cs.SI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-04-23T14:45:31Z","title":"Claim Detection in Biomedical Twitter Posts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.11639","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:67588b496a669566f2886c38f7b2cc1ef206b241bbfb4b9b37adfe4f2fe14345","target":"record","created_at":"2026-07-05T02:36:50Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"23e04c0ee0afcd29c97e86c90d1b13810ffc7afb510897e3443e5509a33252d5","cross_cats_sorted":["cs.SI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-04-23T14:45:31Z","title_canon_sha256":"70b616b097432ec52b231dbcdfa75401932d076bca17ff79d87d2aded4ad5b63"},"schema_version":"1.0","source":{"id":"2104.11639","kind":"arxiv","version":2}},"canonical_sha256":"a3cb81708b86db3b93096498ba7d3354ba44f5ac379a9089435aa1266b2951c9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3cb81708b86db3b93096498ba7d3354ba44f5ac379a9089435aa1266b2951c9","first_computed_at":"2026-07-05T02:36:50.077141Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:36:50.077141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pha7ULPcugVGLwcV55ms9QIfuco7C3TmxWYX7f2gKSeQdQSYsyaD+1RODyNqcNG0IixU8gM2+6TxKLZ9AHDgDg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:36:50.077484Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.11639","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:67588b496a669566f2886c38f7b2cc1ef206b241bbfb4b9b37adfe4f2fe14345","sha256:a84640b261504afdcd251154ffaff7cffad302fa8f85e32b27cb6f4785f05b7c"],"state_sha256":"2abbd5c1f8540add474a3ff31622edbee7d7554582edd272facf6c629ebdedb1"}